8 Channel Ethernet Relay Module With Digital Input And Modbus RTU TCP Support, PoE Powered Relay Board For Industrial Control, Isolation And Protection Circuits, Rugged Rail Mount Case, MQTT Enabled, IoT Ready, 7 To 36V DC Input

Single-Unit 8-Channel PoE Ethernet Relay Module
✔️ 7-36V DC input, PoE powered, MQTT & Modbus RTU/TCP support

This rugged 8-channel relay module provides Ethernet-based control for industrial automation and IoT projects. It supports PoE power, MQTT messaging, and Modbus RTU/TCP, with optocoupler isolation and a sturdy rail-mount enclosure for easy installation in control panels.

✅ 8 independent relay outputs, rated up to 10A at 250VAC/30VDC
✅ Onboard optocoupler isolation to protect control circuits
✅ PoE power option with 7-36V DC input compatibility
✅ MQTT control and Modbus RTU/TCP protocol support
✅ Rugged rail-mount ABS enclosure with status LEDs

💡 What is a handy use case for an 8-channel Ethernet relay module in industrial control environments? - Remote control of devices via MQTT for automation
- Modbus RTU/TCP integration for centralized monitoring
- Optocoupler isolation protects delicate control circuits
- PoE-powered setup reduces wiring and simplifies installation